citrus

All Hands on Deck for Florida Citrus

Daniel CooperCitrus Expo, extension

By J. Scott Angle, jangle@ufl.edu, @IFAS_VP My 89-year-old father-in-law has planted new trees in his California grove in the last two years. Bruce Kelsey believes in the future of citrus, and that reinforces my belief in the future of citrus. I’m not saying everything Bruce does makes sense. I wish he didn’t still go up on ladders and pick fruit, …

survey

Survey Shows Popular Scions and Rootstocks

Daniel CooperRootstocks, Survey, Varieties

The Florida Citrus State of the Industry Survey seeks input from growers on key issues affecting their groves. The survey has been conducted for many years, has tracked the trajectory of HLB and reported on production practices. While not a scientific survey, it has reflected general trends over the years. Last month, we published results on trunk-injection therapy and the …

Crop Transformation Center

Crop Transformation Center in Full Swing

Daniel CooperBreeding, HLB Management

By J. Scott Angle, jangle@ufl.edu, @IFAS_VP About 18 months ago, Matt Joyner, Kyle Story, Morgan McKenna Porter, Emery Smith and other Florida citrus leaders visited me in Gainesville. Together, we shaped an idea to accelerate our search for solutions to HLB. The idea is already reality. The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Crop Transformation Center …

grove

Grove Tours a New Feature at the Florida Citrus Show

Daniel CooperEvents, FCS24, Florida Citrus Show

When a new tool to manage HLB is discovered, it must be tested in the grove in new varieties or in treatments like trunk injection. During the afternoon of the Florida Citrus Show on March 13, attendees will have the opportunity to tour two experimental groves to see this type of research in action. Attendees will see trunk-injection therapies being …

oxytetracycline

Lessons From Oxytetracycline Injection Trials

Daniel CooperHLB Management

By Ute Albrecht, Carol Tardivo, Gabriel Pugina, Larissa Nunes, Jasmine de Freitas and Gerardo Moreno Since the approval of oxytetracycline (OTC) injection to manage citrus greening (huanglongbing, HLB) in Florida, the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) plant physiology team at the Southwest Florida Research and Education Center (SWFREC) has completed various research trials with multiple …

june

All In For Citrus Podcast, January 2025

Tacy CalliesAll In For Citrus Podcast, Research

Recently, the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) reported research on the development of a new type of citrus tree that can fight off the HLB-spreading Asian citrus psyllid (ACP). The genetically modified tree has only been tested in the lab and the greenhouse, but the research looks promising. The approach involves inserting a gene into …

Sneak Peek: February 2025 Citrus Industry

Tacy CalliesSneak Peek

The citrus section in the February issue of Specialty Crop Grower is coming soon. It’s full of features for growers to dive into. First up is part two of results from the Florida Citrus State of the Industry Survey. (See part one here.) Learn out what percent of growers say they are replanting and how many are participating in the …

Citrus Nutrition Day

Key Takeaways From Citrus Nutrition Day

Daniel CooperEvents, Nutrition

After being postponed this fall due to Hurricane Milton, the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) hosted its annual Citrus Nutrition Day on Jan. 22 at the Citrus Research and Education Center (CREC) in Lake Alfred. The event was well attended and featured several presentations aimed at optimizing citrus nutrition programs in the HLB era. UF/IFAS …

oxytetracycline

Oxytetracycline Efficacy Impacted by Exposure to Field Conditions

Daniel CooperHLB Management, Tip of the Week

By Lauren Fessler Mathews, Sanju Kunwar, Ana Redondo and Ozgur Batuman Based on numerous research studies conducted by scientists at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), it has been proven that injections of oxytetracycline (OTC) can help to alleviate symptoms caused by huanglongbing (HLB) disease. This treatment is now widely practiced and crucial for preventing …

citrus

CITRUS NURSERY SOURCE: Citrus Researchers Coming Together

Daniel CooperCitrus Nursery Source, Research

By Peter Chaires Florida’s citrus industry is well supported by two phenomenal research institutions: University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) and U.S. Department of Agriculture-Agricultural Research Service (USDA-ARS). UF/IFAS provides research and Extension support from its main campus in Gainesville, as well as from its research and education centers and county Extension offices across the state. …

IPCs

Combine IPCs and Brassinosteroids to Prolong Young Tree Health

Daniel CooperIPCs, Tip of the Week

By Fernando Alferez and Saoussen Ben Abdallah The risk of citrus plantings to become infected with HLB is especially high for young trees, which flush frequently and attract more psyllids than mature trees. Individual protective covers (IPCs) are now being increasingly adopted to protect newly planted citrus trees from psyllid colonization. However, even though IPCs effectively protect young trees from …

citrus tree

Experimental Citrus Tree Kills Young Psyllids

Daniel CooperHLB Management, Psyllids, Research

Scientists at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) are testing a new type of citrus tree that can fight off the HLB-spreading Asian citrus psyllid (ACP). The genetically modified tree has only been tested in the lab and the greenhouse but is very promising as a potential solution to HLB. The approach involves inserting a …

Florida Citrus Show

Registration Is Open for the Florida Citrus Show

Daniel CooperCitrus, Events, FCS24, Florida Citrus Show

The Florida Citrus Show is scheduled for Thursday, March 13, 2025. The event will be held at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Indian River Research and Education Center and the U.S. Department of Agriculture (USDA) Agricultural Research Service U.S. Horticultural Research Laboratory in Fort Pierce. The Florida Citrus Show combines educational seminars for both …

milton

Survey Tracks Hurricane Milton Impacts and OTC Usage

Daniel Cooperhurricane, planting, Survey

The Florida Citrus State of the Industry Survey seeks input from growers on key issues affecting their groves. While not a scientific survey, it has reflected general trends over the years. This year’s survey asked growers to weigh in on major events like the impact of Hurricane Milton and the performance of trunk-injection therapies. HURRICANE MILTON Hurricane Milton made landfall …

campaign

Psyllid Insecticides Effective in Brazil’s New Citrus Regions

Daniel CooperBrazil, HLB Management

Citrus growing is migrating to additional areas in Brazil, such as the Triângulo Mineiro region, the northwest of of São Paulo and Mato Grosso do Sul. For this reason, Fundecitrus began testing insecticides in these areas and observed that some products, to which the HLB-spreading psyllid is often resistant, performed well in the initial evaluation. Fundecitrus researcher Marcelo Miranda said …

two

Two New Early-Season Sweet Oranges for Florida Growers

Daniel CooperTip of the Week, Varieties

By Manjul Dutt, Sheetal Ramekar and Gary England Developing new citrus cultivars, whether through conventional breeding or genetic engineering methods like transgenics or CRISPR is potentially the most viable long-term strategy to combat huanglongbing (HLB). Identifying potential survivor trees — citrus trees that exhibit disease tolerance in areas with endemic HLB — can also serve as a useful strategy for …

navel oranges

CITRUS NURSERY SOURCE: Navel Oranges After OTC and Milton’s Impact

Daniel CooperCitrus Nursery Source

By Peter Chaires As fall approached and Hurricane Milton was not yet on the radar, growers were quietly discussing promising results from oxytetracycline (OTC) therapy. As one would expect, results are as variable as the products, methods of application and factors in the field. However, the view from 40,000 feet was encouraging. Growers not only reported positive observations in their …

consumer

Court Says Genetically Engineered Organisms Must Be Regulated

Daniel CooperCourt

The U.S. District Court for the Northern District of California recently ruled that genetically engineered (GE) organisms must be regulated. The ruling overturns a 2020 rule overhaul by the first Trump administration that had eliminated most government oversight over GE crops, trees and grasses. Genetic engineering is one of several routes researchers are taking to breed a citrus tree resistant …

controls

Controls Needed to Effectively Evaluate Treated Trees

Daniel CooperHLB Management, Tip of the Week

By Ute Albrecht, Gabriel Pugina and Caroline Tardivo Two years have passed since trunk injection of oxytetracycline (OTC) was approved for HLB management in Florida. Many growers have adopted this technology. While most reported positive responses, others did not. The plant physiology team at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Southwest Florida Research and Education …

OJ Break

Growers and Industry Attend OJ Break and Fruit Display

Daniel CooperEvents, Insurance

The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center in Lake Alfred recently hosted an OJ Break and Fruit Display. The Dec. 18 back-to-back events were well attended. Ariel Singerman, UF/IFAS citrus economist, presented his research during the OJ Break. One area he addressed was crop insurance adoption among growers. Singerman shared a …